Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Accounts receivable, less allowance for doubtful accounts of $1,225 at March 31, 2018 and $1,234 at December 31, 2017	$ 96,044	$ 89,637
Inventories	10,244	9,760
Other current assets	6,992	6,836
Total current assets	113,280	106,233
Property and equipment:
Medical equipment	632,903	629,193
Property and office equipment	107,347	105,341
Accumulated depreciation	(548,834)	(536,520)
Total property and equipment, net	191,416	198,014
Other long-term assets:
Goodwill	346,168	346,168
Other intangibles, net	149,897	151,921
Other	9,564	3,109
Total assets	810,325	805,445
Current liabilities:
Current portion of long-term debt	5,042	5,043
Book overdrafts	1,783	5,367
Accounts payable	31,416	36,689
Accrued compensation	14,067	21,498
Accrued interest	6,463	18,671
Other accrued expenses	18,201	17,763
Total current liabilities	76,972	105,031
Long-term debt, less current portion	719,039	698,065
Pension and other long-term liabilities	11,189	11,385
Deferred income taxes, net	35,429	35,342
Commitments and contingencies (Note 9)
Deficit
Common stock, $0.01 par value; 1,000 shares authorized, issued and outstanding at March 31, 2018 and December 31, 2017
Additional paid-in capital	251,041	250,018
Accumulated deficit	(277,123)	(287,998)
Accumulated other comprehensive loss	(6,428)	(6,638)
Total Universal Hospital Services, Inc. and Subsidiaries deficit	(32,510)	(44,618)
Noncontrolling interest	206	240
Total deficit	(32,304)	(44,378)	$ (60,493)	$ (59,485)
Total liabilities and deficit	$ 810,325	$ 805,445